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55324684785 = 35191391396559
BaseRepresentation
bin110011100001100110…
…111011000111110001
312021210200011011222110
4303201212323013301
51401301104403120
641225451555533
73665666030046
oct634146730761
9167720134873
1055324684785
1121510384597
12a88015bba9
1352a8c5cc96
14296b98d1cd
15168c0842e0
hexce19bb1f1

55324684785 has 32 divisors (see below), whose sum is σ = 93848832000. Its totient is φ = 27752400576.

The previous prime is 55324684769. The next prime is 55324684819. The reversal of 55324684785 is 58748642355.

It is not a de Polignac number, because 55324684785 - 24 = 55324684769 is a prime.

It is a super-2 number, since 2×553246847852 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658665 + ... + 737894.

It is an arithmetic number, because the mean of its divisors is an integer number (2932776000).

Almost surely, 255324684785 is an apocalyptic number.

It is an amenable number.

55324684785 is a deficient number, since it is larger than the sum of its proper divisors (38524147215).

55324684785 is a wasteful number, since it uses less digits than its factorization.

55324684785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396725.

The product of its digits is 32256000, while the sum is 57.

The spelling of 55324684785 in words is "fifty-five billion, three hundred twenty-four million, six hundred eighty-four thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 19 57 95 139 285 417 695 2085 2641 7923 13205 39615 1396559 4189677 6982795 20948385 26534621 79603863 132673105 194121701 398019315 582365103 970608505 2911825515 3688312319 11064936957 18441561595 55324684785